Almost there! Just bridging the gap...
Almost there! Just bridging the gap...
A bridge's favorite type of music? Heavy metal. Or suspension... it depends.
over SAN LORENZO CREEK
04-ALA-880-20.11
Parametric wireframe generated from real NBI dimensions. Drag to rotate, scroll to zoom.
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This bridge has a Good overall condition rating of 7 out of 9. It is in good structural condition and is not classified as structurally deficient.
The bridge carries 222,000 vehicles per day and is 73 years old (reconstructed in 1991).
Its sufficiency rating of 66.0 is above the national average of 63.6.
For travelers with bridge anxiety
This bridge may cause some awareness for travelers with bridge anxiety, but has manageable characteristics.
This bridge is 100 feet long — a quick crossing, under 5 seconds at highway speed.
A standard overpass design with solid barriers on each side.
No height data available — likely a standard overpass height.
About 222,000 vehicles cross daily — very heavy traffic, high congestion risk.
The deck is 176 feet wide with multiple lanes — easy to stay in a center lane.
This bridge crosses over water. Focus on the road ahead — the water is far below.
This comfort score is designed to help individuals with bridge anxiety plan their travel. All bridges in the National Bridge Inventory are regularly inspected and deemed safe for travel. This is not medical advice — if you experience severe anxiety, please consult a healthcare professional.
Year Built
1953
73 years old (rebuilt 1991)
Structure Type
Steel Stringer/Multi-beam/Girder
Total Length
100 ft
30.5 m
Deck Width
176 ft
53.6 m
Spans
1
sections between supports
Max Span
100 ft
longest unsupported section (30.5 m)
Traffic Lanes
12 lanes
Two-way traffic
Daily Traffic
222,000vehicles/day
37.68466°N, 122.12881°W
Steel Stringer/Multi-beam/Girder
A steel stringer bridge uses parallel steel beams (stringers) to support the deck. This is one of the most common bridge types in the US, valued for its simplicity and strength.
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Data from the National Bridge Inventory (NBI), maintained by the Federal Highway Administration (FHWA).
Data year: 2025. Conditions may have changed since the last inspection.
This information is provided for educational and informational purposes only. It should not be used as the sole basis for any decisions related to bridge safety or transportation planning. Always consult official sources and local authorities for the most current data.